Here's what rhymes with obviable.
viable liable pliable certifiable deniable reliable justifiable undeniable notifiable unreliable verifiable classifiable rectifiable identifiable unjustifiable unidentifiable unverifiable Words that almost rhyme with obviable
parietal sizable sizeable desirable advisable definable likable likeable decidable risible liveable undesirable excitable assignable undefinable survivable indefinable inadvisable cognizable describable maniacal analyzable ascribable recyclable climbable unlikeable unliveable ammoniacal libidinal realizable demoniacal indictable nonassignable indescribable reconcilable recognizable irreconcilable monomaniacal unrecognizable